What fraction of the given figure is shaded?

Look at the alphabets given below and answer the given questions.

K E S H A V

(a) What fraction of alphabets is made up of exactly $3$ straight lines?

(b) What fractions of alphabets are made up of curved lines?

What should be placed in the place of $‘?’$ so that the sum of fractions on each side of the triangle is same?

Which of the following statements is correct?

Statement $1$: Mrs Soni bought $7\frac{1}{2} \mathrm{litres}$ of milk. Out of this, $5\frac{3}{4} \mathrm{litres}$ was consumed. $1\frac{1}{3} \mathrm{litres}$ of milk is left with her.

Statement $2$: Amit reads $\frac{3}{5}$ of a book. He finds that there are still $80$ pages left to be read. Total number of pages in the book is $200$.